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Presario 1200XL Series
Model XL300, XL300A, and XL300B
Pin Assignments
This appendix provides connector pin assignment tables for Compaq Presario 1200XL
Series Portable Notebook. For more information about connectors, refer to the section on
Rear Connectors
Note: In all the following tables of this appendix, the signals are considered active high
unless otherwise indicated by an asterisk (*).
Parallel Connector
.
Pin Assignments
Pin Signal Pin Signal
1 Strobe* 10 Acknowledge*
2 Data Bit 0 11 Busy
3 Data Bit 1 12 Paper Out
4 Data Bit 2 13 Select
5 Data Bit 3 14 Auto Linefeed*
6 Data Bit 4 15 Error*
7 Data Bit 5 16 Initialize Printer*
8 Data Bit 6 17 Select In*
9 Data Bit 7 18-25 Signal Ground
* = Active low
PP
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1200XL S
ERIES
PIN A
SSIGNMENTS
1

Presario 1200XL Series
Model XL300, XL300A, and XL300B
Universal Serial Bus (USB) Connectors
Pin Assignments
Pin Signal Pin Signal
1+5 V 3Data -
2 Data + 4 Ground
External VGA Monitor Connector
2 PIN A
SSIGNMENTS
Pin Assignments
Pin Signal Pin Signal
1Red Analog 9+5 V
2 Green Analog 10 Ground
3 Blue Analog 11 Monitor Detect
4 Not connected 12 DDC2B Data
5 Ground 13 Horizontal Sync
6 Ground Analog 14 Ver tical Sync
7 Ground Analog 15 DDC2B Clock
8 Ground Analog
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
P
1200XL S
ERIES

Modem Connector
Presario 1200XL Series
Model XL300, XL300A, and XL300B
Pin Assignments
Pin Signal
1Unused
2 Tip
3Ring
4 Unused
Keyboard/Mouse Connector
Pin Signal Pin Signal
1 Data 1 4 +5 V
2 Data 2 5 Clock 1
3 Ground 6 Clock 2
Pin Assignments
PP
RESARIO NOTEBOOK MAINTENANCE AND SERVICE GUIDE
1200XL S
ERIES
PIN A
SSIGNMENTS
3